How much does it cost to fix boiler error code LF?

Typical repair cost for the boiler LF fault is £90-160 including labour.

LF High

Boiler Fault Code LF

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code LF appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is unable to drain away the water it creates during normal operation, so it has shut down to prevent internal flooding. (As reported on Baxi Combi 130 HE)

Pick your boiler brand for the LF fix

Baxi LF 1 model

Source

Information for the LF fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026